It's about the Opium Wars between England and China in the 19th century. England found opium in their colony India, but instead of getting their colonial subjects addicted, they tried to trade it to China. China didn't like it, and the Opium War started.
http://en.wikipedia.org/wiki/Opium_wars
It's about the Opium Wars between England and China in the 19th century. England found opium in their colony India, but instead of getting their colonial subjects addicted, they tried to trade it to China. China didn't like it, and the Opium War started. http://en.wikipedia.org/wiki/Opium_wars